fix(server) check history backend for event support in history-read s…

…ervice
open62541 · Jun 21, 2024 · 548a2ef · 548a2ef
1 parent 1d5066d
commit 548a2ef
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/src/server/ua_services_attribute.c b/src/server/ua_services_attribute.c
@@ -1833,6 +1833,14 @@ Service_HistoryRead(UA_Server *server, UA_Session *session,
  return;
  }
 
+ /* Check if the configured History-Backend supports the requested history type */
+ if(!readHistory){
+ UA_LOG_INFO_SESSION(server->config.logging, session,
+ "The configured HistoryBackend does not support the selected history-type.");
+ response->responseHeader.serviceResult = UA_STATUSCODE_BADNOTSUPPORTED;
+ return;
+ }
+
  /* Something to do? */
  if(request->nodesToReadSize == 0) {
  response->responseHeader.serviceResult = UA_STATUSCODE_BADNOTHINGTODO;